<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[springt2013的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/springt2013</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; springt2013]]></copyright><item><title><![CDATA[Redis 哈希hash基本操作命令]]></title><link>https://blog.youkuaiyun.com/springt2013/article/details/79741546</link><guid>https://blog.youkuaiyun.com/springt2013/article/details/79741546</guid><author>springt2013</author><pubDate>Thu, 29 Mar 2018 13:53:11 +0800</pubDate><description><![CDATA[hash通过key的hash运算映射到数据存储地址的一种数据结构。school为我们创建的一个hash类型的key查看某个key是否存在：hexists school --1  返回值1存在 0不存在查看某个key的字段长度：hlen school  返回整数值查看数据：hget school name  返回key的某一个字段值hmget school name addr  返回key的某些字段...]]></description><category></category></item><item><title><![CDATA[struts2文件图片流输出报IllegalStateException: Cannot call sendError() after the response has been committed]]></title><link>https://blog.youkuaiyun.com/springt2013/article/details/78342216</link><guid>https://blog.youkuaiyun.com/springt2013/article/details/78342216</guid><author>springt2013</author><pubDate>Wed, 25 Oct 2017 15:39:09 +0800</pubDate><description><![CDATA[struts2图片后端以流的形式传给前端并显示时,控制台报java.lang.IllegalStateException: Cannot call sendError() after the response has been committed异常. 
文件可以正常下载,只是后台报异常.]]></description><category></category></item><item><title><![CDATA[在Action中以Struts2的方式输出JSON数据]]></title><link>https://blog.youkuaiyun.com/springt2013/article/details/52225521</link><guid>https://blog.youkuaiyun.com/springt2013/article/details/52225521</guid><author>springt2013</author><pubDate>Tue, 16 Aug 2016 22:07:11 +0800</pubDate><description><![CDATA[在Action中以Struts2的方式输出JSON数据]]></description><category></category></item><item><title><![CDATA[Spring中的注解如何实现降低耦合度]]></title><link>https://blog.youkuaiyun.com/springt2013/article/details/52215154</link><guid>https://blog.youkuaiyun.com/springt2013/article/details/52215154</guid><author>springt2013</author><pubDate>Mon, 15 Aug 2016 21:54:33 +0800</pubDate><description><![CDATA[（1）首先我觉得你在耦合度的降低上的理解有点偏差，在spring中，降低耦合度的关键在于将bean的依赖关系抽取出来的环节，而不在于将bean的依赖关系放在哪里的环节（配置文件？或注解？）（2）spring之ioc 
1 将基于实现类的耦合变成基于接口的耦合，可以避免硬编码所造成的过度程序耦合，而接下来需要解决的问题就是，如何确定该接口的实现类。2 ioc控制反转，就是将某一接口的具体实现类的控制从]]></description><category></category></item><item><title><![CDATA[Struts常见异常解答：There is no Action mapped for namespace / and action name . - [unknown location]]]></title><link>https://blog.youkuaiyun.com/springt2013/article/details/52211018</link><guid>https://blog.youkuaiyun.com/springt2013/article/details/52211018</guid><author>springt2013</author><pubDate>Mon, 15 Aug 2016 14:40:18 +0800</pubDate><description><![CDATA[There is no Action mapped for namespace / and action name . - [unknown location]
    at com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:189)
    at org.apache.struts2.impl.St]]></description><category></category></item></channel></rss>